Solar-powered absorption cooling systems for the Republic of Crimea
Annotation
This article presents the results of the development and investigation of a solar-powered absorption cooling system for the Republic of Crimea. An analysis of the cooling system efficiency is conducted based on four combined cycles of a lithium bromide absorption refrigeration machines (LiBr ARMs) with two-stage solution generation for the cities of Yevpatoria, Dzhankoi, Kerch, Sevastopol, Simferopol, and Yalta. The operation of the LiBr ARMs is largely determined by temperature conditions and the thermal load on the generator, while climatic factors – such as solar insolation, sunshine duration, and temperature regime – also influence the system performance efficiency. In this study, a comprehensive algorithm for evaluating the performance of a solar cooling system integrated with an LiBr ARMs has been developed. The algorithm implements multi-level modeling, accounting for the characteristics of solar collectors, parameters of the LiBr ARMs thermodynamic cycle, and detailed meteorological conditions. The proposed methodology provides a tool for the reasoned selection of an optimal solar thermal system configuration for integration with an absorption chiller.
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